I can kind of guess what you mean, but your notation is pretty bad. I do not know what exp[tex]\:^\alpha Z[/tex] is supposed to be. Your substitution seems wrong, your notation is unorthodox and you write factors like -1 instead of just a - . This is probably the reason why people don't answer.

You might have better chances if you wrote something like:

"I am trying to get the average [tex]\left< f(z) \right>_{S_a}[/tex] of a function [tex]f(z)= \alpha ^ z[/tex] over a sphere [tex]S_a[/tex] of radius [tex]r=\sqrt{a}[/tex]. I swear this is not for homework.

I can kind of guess what you mean, but your notation is pretty bad. I do not know what exp[tex]\:^\alpha Z[/tex] is supposed to be. Your substitution seems wrong, your notation is unorthodox and you write factors like -1 instead of just a - . This is probably the reason why people don't answer.

You might have better chances if you wrote something like:

"I am trying to get the average [tex]\left< f(z) \right>_{S_a}[/tex] of a function [tex]f(z)= \alpha ^ z[/tex] over a sphere [tex]S_a[/tex] of radius [tex]r=\sqrt{a}[/tex]. I swear this is not for homework.